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Upgrades (non TDI Engine related) The place of handling, lighting and other upgrades that do not relate to the performance or economy of the TDI engine. In other words upgrades to your TDI that don't fit into TDI Fuel Economy & TDI Engine Enhancements.Please note the Performance Disclaimer

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Old June 4th, 2018, 12:25   #1
Join Date: Aug 2015
Location: USA
Default Tweaking ASR/EDL for more traction

Does anyone know if it's possible to lower the allowed slip threshold on the EDL system in an MKIV TDI via vag-com? I've seen videos of it in action, and it seems that you need a really large wheel speed differential before it engages, which would be enough to dig in on a loose surface. I was able to find an ASR ABS unit for $30 on eBay and am looking forward to playing with it in my '01 golf TDI.

It seems that this should be possible, because VW offers the "off road" package on the Tiguan, which seems to be just a software change to lower the engagement threshold of the EDL.
2001 Golf TDI - 02m 6 speed swap; ASR/EDL
2016 e-Golf
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Old June 14th, 2018, 07:43   #2
Powder Hound
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Join Date: Oct 1999
Location: Conkud, New Hampshiyuh, USA
Fuel Economy: pretty freakin' good.

You might find more information over on vortex, as ASR was never offered on TDIs in North America. It would seem that VW considers us on this side of the pond less worthy of the more fun options that were available.


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Old June 14th, 2018, 14:27   #3
Join Date: Aug 2015
Location: USA

Thanks, searching on Vortex I found a link to this on the golfmk6 forum. I didn't see anything about doing this on the MKIV, but the MK6 at least definitely has the option I'm asking about. It seems that XDS is the name for the more aggressive EDL setting.

"XDS Settings WOW!!!"
"ESP, XDS, DSR, ASR, Brake Assist, Hill Hold Control Settings Vag-Com"
2001 Golf TDI - 02m 6 speed swap; ASR/EDL
2016 e-Golf
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